There are small petri dishes, there are large petri dishes, and then there is MEGA, an enormous, 2-foot-by-4-foot slab of black agar infused with a gradient of antibacterial drugs. Researchers built ...

"We cultivated several types of multiresistant E. coli in petri dishes in the laboratory and added the toxin produced by the bacterial strains with a specific type of plasmid. Then we found that ...